package day1019_4;

public class Y2 {
    public static void main(String[] args) {
        //    判断相等==     判断不相等!=
        int x=4;
        int y= ++x;  //x5,  ++x 5    y5
        System.out.println(x == y);//true

        int z=23;// z=z-1 22,   --z 22
        boolean rs=  --z  !=  22;  //flase
        System.out.println(rs);//flase
    }
}
